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Finding the Fourth Proportional to 73,928.93, 102,029.94 and 45,267.89

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Solution

The fourth proportional to 73,928.93, 102,029.94 and 45,267.89 is: 62,474.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,928.93 : 102,029.94 = 45,267.89 : x
  2. Step 2: Convert to fraction form
    73,928.93/102,029.94 = 45,267.89/x
  3. Step 3: Cross multiply
    73,928.93x = 102,029.94 × 45,267.89
  4. Step 4: Simplify right side
    73,928.93x = 4,618,679,590.48
  5. Step 5: Solve for x
    x = 4,618,679,590.48/73,928.93
  6. Step 6: Final answer
    x = 62,474.59

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.